code: def get_match_tests(self, test_name) -> FilterTuple | None:
      if self.match_tests_dict is not None:
          return self.match_tests_dict.get(test_name, None)
      else:
          return None
  
imports: import contextlib
  import dataclasses
  import json
  import os
  import subprocess
  from typing import Any
  from test import support
  from .utils import StrPath, StrJSON, TestTuple, TestFilter, FilterTuple, FilterDict
label_desc: Use image node_id 3 for calling the RunTests obj's underlying member method code with example usage: obj.get_match_tests(test_name) and returns: self, None